body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: linear-gradient(135deg, #667eea, #764ba2);
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
}

.card {
    max-width: 500px;
    border-radius: 20px !important;
}

.star {
    font-size: 32px;
    cursor: pointer;
    color: #d2d2d2;
    transition: 0.2s;
}

.star.hover,
.star.active {
    color: #ffb400;
    transform: scale(1.1);
}

.hidden {
    display: none;
}

.toast {
    position: fixed;
    bottom: 20px;
    background: #333;
    color: #fff;
    padding: 10px 15px;
    border-radius: 8px;
    display: none;
}

.popup {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    justify-content: center;
    align-items: center;
}

.popup-box {
    background: #fff;
    padding: 25px;
    border-radius: 12px;
    text-align: center;
    width: 300px;
}